diff --git a/pkgs/development/libraries/haskell/snap-cors/default.nix b/pkgs/development/libraries/haskell/snap-cors/default.nix
index 2af0a45a63ef..338e2c4693f5 100644
--- a/pkgs/development/libraries/haskell/snap-cors/default.nix
+++ b/pkgs/development/libraries/haskell/snap-cors/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "snap-cors";
-  version = "1.2.3";
-  sha256 = "0frm1jghm5n1pivcdx45cf7nymny25ijfslg52cm75m55d4l2lvv";
+  version = "1.2.4";
+  sha256 = "0mg5sjvrcs60s8k28vgi49vbgfpswkcd7i7yyfi1n1649vqb69mb";
   buildDepends = [
     attoparsec caseInsensitive hashable network snap text transformers
     unorderedContainers